WOW Watersports Thriller Series Towables Thriller 1 Person. You may get tired from holding on but the excitement of the ride is THRILLING. See how much air you can get and when you are finished relax using the tube as a floating island or just floating down the river. Tapered construction higher in the front than back to prevent submarining and give the rider wild wake action. Features of WOW Watersports 18-1000 Thriller Series Towables Thriller 1 Person 1 person rider towable Features: Tuff shell full nylon cover with zipper zippered valve cover heavy-gauge PVC bladder double webbing foam handles with knuckle guards and EVA foam pad Reinforced towing system Speed valve for fast inflation and deflation Deflated Dimensions: 54" x 54"; Inflated Dimensions: 50" x 48" Package Contents: WOW Watersports 18-1000 Thriller Series Towables Thriller 1 Person WOW Watersports 18-1000: Thriller Series Towables Thriller 1 Person